Passing by the Church of Santa María de Miera, declared of Good Cultural Interest in 1988, is a recurrent point in every visit.
The building that mixes elements from late-Gothic, Renaissance and Baroque, stands out because of its great monumental dimension. The origins of the temple are as an ancient Benedictine monastery dedicated to Saint John that belonged to the abbey of Santander from 1099.
In the cofluence of Pas and Pisueña rivers, north of the Pas Valleys region.
Limits south with Santiurde de Toranzo, west with Puente Viesgo and east with Santa María de Cayón.
Population: 1.621 Extension: 19,5 Km2 Altitude: 65-315 m.
Towns: Pomaluengo · La Cueva · Socobio · Villabáñez
The municipality of smooth reliefs is crossed by Pisueña river from east to west to join Pas river on its occidental limit. Although most of its extension is dedicated to pastures and farming, this territory still preserves valuable native forests along the hills and lower river valley. Chestnuts and oaks mainly populate the area, with gallery-forests of alder and poplar that follow the water courses.
Mount Carceña, the highest area of the municipality, used to be covered by a mixture of deciduous forests. Nowadays its extension, shared with the limiting municipalities, is an important forest mass of eucalyptus production.
- Religious architectural heritage: the Collegiate Church of Santa Cruz, built in 1103, is one of the most important religious buildings of Roman style in the region. Its insides have a great sculpture richness and is considered as National Monument since 1930.
- Civil architectural heritage: although the most representative building is the Palace of La Gándara, from 18th century, in Villabáñez, turned into the famous Inn of Castañeda, the municipality also has numerous stately homes, like the House-Tower of Obregón (La Cueva), the House-Tower of Gutiérrez (Pomaluengo), and the Manor House of Mirones Güemes and the Manor House of Vargas (Pomaluengo), among others. Can also be found many examples of the popular rural home, typical in the region of Asturias de Santillana, especially in La Cueva and the Neighbourhood of San Juan.
- Hydraulic inventions: the mighty Pisueña river allowed the instalation of numerous flourmills and some forges, that used its energy to move grinding wheels, bellows and hammers. In the Neighbourhood of Colsa, in Pomaluengo, there is a park with a small, restored mill.
It is a dynamic, growing municipality, mostly dedicated to a variety of businesses of services and commerce, with renowned tourism and restaurant establishments.
On top of an elevated population percentage dedicated to construction works, it is also necessary to point out the salmon preserve “La Cruz”, in the cofluence of Pas and Pisueña rivers, as economical sources in the municipality.
- Monuments route: it is a short road itinerary from Socobio to Villabánez, that visits some stately and religious buildings like the Collegiate Church of Castañeda, the shrine that is next to the path, the chapel of Saint John and the Palace of La Gándara.
- Greenway: the old railway El Astillero-Ontaneda has been turned for the optimal enjoyment of bikers and walkers. This nature path crosses east to west the municipality and offers the possibility of knowing the fluvial surroundings, dominated by riverside vegetation and fertile pasturelands.